Sea weather in Koloa in Hawaii All the beach weather in Koloa

All the essential weather information for enjoying the beach in Koloa in Hawaii, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Koloa over the next 7 days?

Discover the best moment to go to the beach in Koloa in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Koloa. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 14 December 202574°F to 76°Fdiscouraged
Monday 15 December 202574°F to 76°Fdiscouraged
Tuesday 16 December 202572°F to 77°Fdiscouraged
Wednesday 17 December 202572°F to 76°Fdiscouraged
Thursday 18 December 202574°F to 76°Frecommended
Friday 19 December 202574°F to 76°Frecommended
Saturday 20 December 202574°F to 76°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Koloa

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:09 and will set at 17:57 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 18mph km/h (with gusts up to 18mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (73°F)23°C (73°F)
Perceived temperature26°C (78°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity83%84%82%78%77%77%83%81%
Barometric pressure1012 hPa1011 hPa1011 hPa1013 hPa1012 hPa1011 hPa1012 hPa1014 hPa
Cloud cover88%59%95%93%62%67%53%100%
Heat index26°C (78°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Dew point21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (67°F)20°C (67°F)20°C (67°F)
Wind
Speed29km/h (18mph)18km/h (11mph)8km/h (5mph)9km/h (5mph)11km/h (7mph)13km/h (8mph)11km/h (7mph)6km/h (4mph)
Gusts29km/h (18mph)26km/h (16mph)13km/h (8mph)12km/h (7mph)15km/h (9mph)18km/h (11mph)18km/h (11mph)9km/h (6mph)
Direction 259°
WSW
290°
WNW
16°
NNE
46°
NE
69°
ENE
75°
ENE
85°
E
77°
ENE
Wind chill24°C (74°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (73°F)23°C (73°F)
Waves
Height1.4m (4.6ft)1.2m (3.9ft)1.0m (3.4ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (2.8ft)0.8m (2.6ft)
Direction 226°
SW
233°
SW
229°
SW
223°
SW
251°
WSW
267°
W
266°
W
257°
WSW
Period7.9 sec.5.8 sec.5.9 sec.6.2 sec.6.2 sec.6.0 sec.13.3 sec.12.8 sec.
Significant height1.1m (3.6ft)0.5m (1.6ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:09 and will set at 17:58 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 21.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)24°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)
Perceived temperature25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%81%85%81%80%78%82%85%
Barometric pressure1013 hPa1013 hPa1014 hPa1015 hPa1014 hPa1013 hPa1014 hPa1015 hPa
Cloud cover82%81%92%53%72%31%88%80%
Heat index25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)25°C (77°F)26°C (79°F)
Dew point20°C (67°F)20°C (68°F)21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)21°C (71°F)
Wind
Speed5km/h (3mph)13km/h (8mph)14km/h (9mph)15km/h (9mph)16km/h (10mph)21km/h (13mph)21km/h (13mph)19km/h (12mph)
Gusts8km/h (5mph)19km/h (12mph)20km/h (12mph)20km/h (13mph)23km/h (14mph)30km/h (19mph)35km/h (22mph)28km/h (17mph)
Direction 196°
SSW
225°
SW
215°
SW
215°
SW
203°
SSW
197°
SSW
197°
SSW
187°
S
Wind chill24°C (74°F)24°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)
Waves
Height0.7m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.4ft)0.8m (2.5ft)0.8m (2.7ft)0.9m (3.0ft)0.9m (3.1ft)
Direction 241°
WSW
279°
W
283°
WNW
309°
NW
348°
NNW

N

N
12°
NNE
Period12.6 sec.12.3 sec.11.8 sec.11.6 sec.13.6 sec.13.4 sec.12.9 sec.8.2 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:10 and will set at 17:58 on the beach(es) of Koloa. The outside temperature will be a high of 77°F t and a low of 72°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 22.4mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)23°C (73°F)23°C (74°F)24°C (75°F)
Perceived temperature26°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%83%82%82%79%80%82%83%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1014 hPa
Cloud cover81%70%76%82%85%83%78%78%
Heat index26°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (78°F)26°C (79°F)
Dew point21°C (71°F)21°C (70°F)21°C (70°F)21°C (71°F)20°C (69°F)19°C (66°F)20°C (68°F)21°C (70°F)
Wind
Speed24km/h (15mph)23km/h (15mph)24km/h (15mph)24km/h (15mph)23km/h (15mph)24km/h (15mph)19km/h (12mph)23km/h (14mph)
Gusts36km/h (23mph)33km/h (21mph)34km/h (21mph)32km/h (20mph)36km/h (22mph)31km/h (19mph)34km/h (21mph)34km/h (21mph)
Direction 187°
S
188°
S
184°
S
188°
S
192°
SSW
205°
SSW
220°
SW
208°
SSW
Wind chill24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)23°C (73°F)23°C (74°F)24°C (75°F)
Waves
Height1.0m (3.2ft)1.0m (3.4ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.8ft)1.2m (3.8ft)1.1m (3.8ft)1.2m (4.0ft)
Direction 20°
NNE
163°
SSE
162°
SSE
157°
SSE
152°
SSE
147°
SSE
148°
SSE
149°
SSE
Period13.2 sec.8.4 sec.8.4 sec.8.1 sec.6.4 sec.6.5 sec.6.5 sec.7.7 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:10 and will set at 17:58 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 72°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 23.6mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)25°C (78°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%83%82%81%82%84%83%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1013 hPa1011 hPa1012 hPa1013 hPa
Cloud cover59%54%56%63%73%88%79%84%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)25°C (78°F)25°C (77°F)25°C (77°F)
Dew point21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)
Wind
Speed26km/h (16mph)23km/h (14mph)22km/h (14mph)23km/h (14mph)24km/h (15mph)25km/h (16mph)21km/h (13mph)17km/h (11mph)
Gusts36km/h (22mph)33km/h (20mph)32km/h (20mph)31km/h (19mph)36km/h (23mph)38km/h (23mph)35km/h (22mph)25km/h (16mph)
Direction 215°
SW
220°
SW
225°
SW
221°
SW
226°
SW
233°
SW
247°
WSW
250°
WSW
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)
Waves
Height1.3m (4.2ft)1.3m (4.2ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.4ft)1.3m (4.2ft)
Direction 149°
SSE
149°
SSE
150°
SSE
150°
SSE
148°
SSE
142°
SE
138°
SE
135°
SE
Period7.3 sec.10.5 sec.10.5 sec.10.7 sec.12.7 sec.12.4 sec.12.1 sec.7.3 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:11 and will set at 17:59 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%81%81%76%74%76%76%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1014 hPa1012 hPa1013 hPa1015 hPa
Cloud cover74%83%78%77%19%81%76%74%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)
Dew point20°C (68°F)20°C (68°F)20°C (67°F)20°C (68°F)19°C (66°F)18°C (65°F)19°C (66°F)19°C (66°F)
Wind
Speed16km/h (10mph)15km/h (9mph)15km/h (9mph)13km/h (8mph)12km/h (7mph)12km/h (7mph)8km/h (5mph)3km/h (2mph)
Gusts23km/h (14mph)22km/h (13mph)21km/h (13mph)18km/h (11mph)17km/h (11mph)18km/h (11mph)13km/h (8mph)4km/h (3mph)
Direction 246°
WSW
241°
WSW
239°
WSW
236°
WSW
229°
SW
242°
WSW
239°
WSW
262°
W
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)
Waves
Height1.2m (4.1ft)1.2m (3.9ft)1.1m (3.7ft)1.1m (3.5ft)1.0m (3.3ft)1.5m (4.8ft)1.4m (4.7ft)1.4m (4.5ft)
Direction 131°
SE
131°
SE
131°
SE
130°
SE
129°
SE
315°
NW
314°
NW
318°
NW
Period7.4 sec.5.4 sec.5.4 sec.8.8 sec.8.2 sec.11.0 sec.10.6 sec.9.9 sec.
Significant height0.8m (2.6ft)0.6m (2ft)1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:11 and will set at 17:59 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 6.8mph km/h (with gusts up to 9.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)24°C (74°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%77%78%77%75%76%78%77%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1014 hPa1015 hPa1016 hPa
Cloud cover6%20%41%39%29%32%26%23%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)
Dew point19°C (66°F)19°C (66°F)19°C (66°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)
Wind
Speed1km/h (1mph)4km/h (2mph)5km/h (3mph)9km/h (6mph)11km/h (7mph)10km/h (6mph)7km/h (4mph)4km/h (2mph)
Gusts2km/h (1mph)6km/h (4mph)7km/h (4mph)13km/h (8mph)16km/h (10mph)15km/h (9mph)11km/h (7mph)5km/h (3mph)
Direction 93°
E
82°
E
93°
E
121°
ESE
147°
SSE
169°
S
165°
SSE
118°
ESE
Wind chill23°C (74°F)23°C (74°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (74°F)23°C (74°F)24°C (74°F)
Waves
Height1.3m (4.4ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 325°
NW
332°
NNW
334°
NNW
333°
NNW
322°
NW
304°
WNW
306°
NW
306°
NW
Period9.2 sec.9.7 sec.10.4 sec.8.1 sec.8.2 sec.9.1 sec.10.3 sec.10.3 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:12 and will set at 18:00 on the beach(es) of Koloa. The outside temperature will be a high of 76°F t and a low of 74°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)24°C (75°F)
Perceived temperature25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%78%77%75%75%77%80%
Barometric pressure1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover27%19%12%17%21%12%9%26%
Heat index25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Dew point19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)
Wind
Speed4km/h (2mph)6km/h (4mph)7km/h (4mph)8km/h (5mph)8km/h (5mph)9km/h (5mph)13km/h (8mph)21km/h (13mph)
Gusts5km/h (3mph)9km/h (5mph)10km/h (6mph)11km/h (7mph)12km/h (7mph)14km/h (9mph)20km/h (12mph)30km/h (18mph)
Direction 76°
ENE
74°
ENE
76°
ENE
87°
E
106°
ESE
99°
E
67°
ENE
58°
ENE
Wind chill24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)24°C (75°F)
Waves
Height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Direction 307°
NW
307°
NW
306°
NW
305°
NW
306°
NW
307°
NW
305°
NW
307°
NW
Period13.7 sec.14.3 sec.12.1 sec.12.8 sec.14.4 sec.13.9 sec.13.4 sec.13.3 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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